What certifications does the product have?

The product is ISO certified, and our factory operates under an ISO9001-2015 quality management system with 100% inspection.

What are the common applications for these plungers?

They are used for positioning, locking, applying pressure, acting as a detent, and for ejection in various mechanical assemblies.

How is the product packaged for shipping?

Packaging includes small plastic bags, small carton boxes, or bulk carton packing, which can be customized according to customer requirements.

Carbon Steel Threaded Ball Plunger with Nylon Patching Long Nose Ball Plunger

Name: Carbon Steel Threaded Ball Plunger with Nylon Patching Long Nose Ball Plunger
Brand: Qingdao Pengrui Machinery Co., Ltd.
SKU: 2254443805

Shandong, ChinaQingdao Pengrui Machinery Co., Ltd.

US$0.25

500-4,999 Pieces

US$0.12

5,000+ Pieces

Product specifications

ball spring plunger

Product profile

Customization

Available

Material

Stainless Steel, Carbon Steel,Steel,

Surface Finishing

Smooth

Model NO.

threaded ball plunger

Certification

ISO

Customized

Surface Treatment

Zinc Plating,Plain ,Black Oxide,etc

Product Name

Ball Spring Plunger

Size

Customized

MOQ

500PCS

Delivery Time

30-40 Days

Shipping Way

Express,by Sea, by Air,etc

Packing

Nautral Packing

Drive Type

Hex Socket,Slotted

Length

3-34mm or Customized

OEM

Provided OEM Services

Ball Material

Steel Hardened,Brass,Plastic,etc

Spring Material

Stainless Steel

Transport Package

Plastic Bag+Carton

Specification

Customers' requirement

Trademark

PDM

Origin

China

Production Capacity

5000/Month

Key features

Customizable Dimensions: Available in sizes M3-M24 with customized length options from 3mm to 34mm.

Wide Material Selection: Body made of Carbon Steel, Stainless Steel, or Alloy Steel; Balls in Steel, Brass, or Nylon.

Durable Surface Finish: Options include Zinc Plating, Black Oxide, Plain, and Nylon Patch for corrosion resistance.

Versatile Applications: Ideal for positioning, locking, applying pressure, detent functions, and ejection tasks.

OEM/ODM Support: Full customization services available from samples, designs, or minor adjustments.

Quality Certified: Manufactured under ISO9001-2015 standards with 100% finished product inspection.

Flexible Packaging: Packaging options include small plastic bags, cartons, or bulk packing per customer needs.

Company profile

Importers and ExportersYears of Export ExperienceHigh Repeat Buyers Choice

Qingdao Pengrui Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier presents established manufacturing and export capabilities, with ISO9001:2015 certification, two production lines, 6–10 quality-control staff, and stated contracts with affiliated subcontractors. It supports flexible customization, ODM, OEM for popular brands, and reports new products in the past year. Export activity has continued for 11 years, with 51%–70% of sales from exports and self-operated import/export rights. Service strengths include inventory capability, documented complaint and corrective-action procedures, quality assurance, and lead times within 15 working days in both peak and off-season periods. However, the supplier has no overseas warehouse, showroom, agents, branches, or stated overseas-service countries, and has not participated in offline trade shows. Supplier-service assessment lacks written procedures and complete records. Financial credibility cannot be assessed from the non-monetary information provided.

Supplier typeThe supplier is identified as a combined company rather than an offshore company, and its profile covers manufacturing, export trade, service, quality control, R&D, and sustainability capabilities. This supports classification as an integrated manufacturing and trading-oriented supplier, although the exact legal business structure is not further specified.

CertificationsThe supplier holds an ISO9001:2015 certificate. This is explicit evidence of a recognized quality-management-system certification, although no additional certifications are stated.

After-Sales capabilityThe supplier has documented procedures and records for customer complaints and corrective/preventive actions, provides inventory capability, and reports lead times within 15 working days in both peak and off-season periods. However, it has no overseas warehouse, showroom, agents, branches, or stated overseas-service countries, while its supplier-service assessment process has no written procedures or followed records.

R&D capabilityThe supplier reports two years of total R&D-engineer experience, new products developed during the past year, ODM capability, customization from designs and samples, an available SDK, and one national science and technology progress award. These stated capabilities provide explicit evidence of active R&D and innovation support.

Production capacityThe supplier operates two production lines, has 6–10 quality-control staff, maintains valid manufacturing-capacity contracts with affiliated subcontractors, and reports 30 qualified suppliers for service capability. It also states inventory capability and lead times within 15 working days in both peak and off-season periods, indicating established operational capacity.

Customization capabilityThe supplier explicitly offers flexible, minor, and full customization, including customization from customer designs and samples, as well as ODM services and OEM for popular brands. These stated services demonstrate broad customization and contract-manufacturing capability.

Client casesThe supplier names long-term customers including Richelieu Hardware, Hillman Agroup, VIPA, CFI, and BUFAB. These named customer relationships provide explicit evidence of customer experience, although the information does not state order scope, duration for each account, or independently verified performance outcomes.